17968888980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{65719}}^1$

素因数の和:65779

約数の個数: 216

約数和(自身を含む): 65450810880

約数和(自身を除く): 47481921900

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 49, 60, 62, 63, 70, 84, 90, 93, 98, 105, 124, 126, 140, 147, 155, 180, 186, 196, 210, 217, 245, 252, 279, 294, 310, 315, 372, 420, 434, 441, 465, 490, 558, 588, 620, 630, 651, 735, 868, 882, 930, 980, 1085, 1116, 1260, 1302, 1395, 1470, 1519, 1764, 1860, 1953, 2170, 2205, 2604, 2790, 2940, 3038, 3255, 3906, 4340, 4410, 4557, 5580, 6076, 6510, 7595, 7812, 8820, 9114, 9765, 13020, 13671, 15190, 18228, 19530, 22785, 27342, 30380, 39060, 45570, 54684, 65719, 68355, 91140, 131438, 136710, 197157, 262876, 273420, 328595, 394314, 460033, 591471, 657190, 788628, 920066, 985785, 1182942, 1314380, 1380099, 1840132, 1971570, 2037289, 2300165, 2365884, 2760198, 2957355, 3220231, 3943140, 4074578, 4140297, 4600330, 5520396, 5914710, 6111867, 6440462, 6900495, 8149156, 8280594, 9200660, 9660693, 10186445, 11829420, 12223734, 12880924, 13800990, 14261023, 16101155, 16561188, 18335601, 19321386, 20372890, 20701485, 24447468, 27601980, 28522046, 28982079, 30559335, 32202310, 36671202, 38642772, 40745780, 41402970, 42783069, 48303465, 57044092, 57964158, 61118670, 64404620, 71305115, 73342404, 82805940, 85566138, 91678005, 96606930, 99827161, 115928316, 122237340, 128349207, 142610230, 144910395, 171132276, 183356010, 193213860, 199654322, 213915345, 256698414, 285220460, 289820790, 299481483, 366712020, 399308644, 427830690, 499135805, 513396828, 579641580, 598962966, 641746035, 855661380, 898444449, 998271610, 1197925932, 1283492070, 1497407415, 1796888898, 1996543220, 2566984140, 2994814830, 3593777796, 4492222245, 5989629660, 8984444490, 17968888980]

約数ペア:

[(1, 17968888980), (2, 8984444490), (3, 5989629660), (4, 4492222245), (5, 3593777796), (6, 2994814830), (7, 2566984140), (9, 1996543220), (10, 1796888898), (12, 1497407415), (14, 1283492070), (15, 1197925932), (18, 998271610), (20, 898444449), (21, 855661380), (28, 641746035), (30, 598962966), (31, 579641580), (35, 513396828), (36, 499135805), (42, 427830690), (45, 399308644), (49, 366712020), (60, 299481483), (62, 289820790), (63, 285220460), (70, 256698414), (84, 213915345), (90, 199654322), (93, 193213860), (98, 183356010), (105, 171132276), (124, 144910395), (126, 142610230), (140, 128349207), (147, 122237340), (155, 115928316), (180, 99827161), (186, 96606930), (196, 91678005), (210, 85566138), (217, 82805940), (245, 73342404), (252, 71305115), (279, 64404620), (294, 61118670), (310, 57964158), (315, 57044092), (372, 48303465), (420, 42783069), (434, 41402970), (441, 40745780), (465, 38642772), (490, 36671202), (558, 32202310), (588, 30559335), (620, 28982079), (630, 28522046), (651, 27601980), (735, 24447468), (868, 20701485), (882, 20372890), (930, 19321386), (980, 18335601), (1085, 16561188), (1116, 16101155), (1260, 14261023), (1302, 13800990), (1395, 12880924), (1470, 12223734), (1519, 11829420), (1764, 10186445), (1860, 9660693), (1953, 9200660), (2170, 8280594), (2205, 8149156), (2604, 6900495), (2790, 6440462), (2940, 6111867), (3038, 5914710), (3255, 5520396), (3906, 4600330), (4340, 4140297), (4410, 4074578), (4557, 3943140), (5580, 3220231), (6076, 2957355), (6510, 2760198), (7595, 2365884), (7812, 2300165), (8820, 2037289), (9114, 1971570), (9765, 1840132), (13020, 1380099), (13671, 1314380), (15190, 1182942), (18228, 985785), (19530, 920066), (22785, 788628), (27342, 657190), (30380, 591471), (39060, 460033), (45570, 394314), (54684, 328595), (65719, 273420), (68355, 262876), (91140, 197157), (131438, 136710)]